CN104101615A - Vehicle-mounted movable detecting system for computed tomography - Google Patents
Vehicle-mounted movable detecting system for computed tomography Download PDFInfo
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- CN104101615A CN104101615A CN201410363159.XA CN201410363159A CN104101615A CN 104101615 A CN104101615 A CN 104101615A CN 201410363159 A CN201410363159 A CN 201410363159A CN 104101615 A CN104101615 A CN 104101615A
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Abstract
The invention discloses a vehicle-mounted movable detecting system for computed tomography (CT), and belongs to the technical field of nondestructive detection. The detecting system comprises a detecting car, an operating car, a power car, a CT annular scanning device, a workpiece bracket, safeguards and the like, wherein the CT annular scanning device provided with a shock absorber is mounted on the detecting car; a ray source and a detector are mounted on both sides of the central symmetry axis of a precise circle respectively, and are driven by the motor to realize the synchronous rotation, so as to conduct CT scanning on a workpiece. The detecting system has the advantages that the workpiece detected does not need to rotate, and CT scanning imaging of the workpiece is realized by the synchronous rotation of the ray source and the detector around the workpiece; the workpiece bracket is mounted on the detecting car, and is used for clamping and moving an detecting object; meanwhile, the detecting system further has the characteristics of being movable, easy to adjust, capable of implementing detection of remotely external fields and the like.
Description
Technical field
The invention belongs to technical field of nondestructive testing, relate to a kind of computerized tomography detection technique, particularly a kind of vehicle-mounted removable computerized tomography (CT) detection system.
Background technology
Since First industry CT at the beginning of the eighties in last century (computerized tomography) system is born, industrial CT system is widely used in each essential industry field.
Industry CT (being called for short ICT), industrial computed tomography imaging technique (Industrial Computed Tomography), is a kind of advanced person's nondestructiving detecting means.It can not destroy under the prerequisite of object, by digitized image formal intuition, clear, the internal feature that presents accurately measured workpiece, have impact not overlapping, be not subject to that Workpiece structure and material affect, detected object scope wide, space and density resolution high.The conventional Scan Architecture of industry CT comprises vertical structure and horizontal type structure, but these traditional industrial CT systems are all installed on a building and can shield in the reinforced concrete building of ray or in plumbous worker-house processed, complete machine cannot move, radiographic source and detector layout are in detected object both sides, in scanning process, radiographic source and detector are fixing indefinite, and detected object is done precision rotation motion on rotary table.When detected object rotates in beam, the ray that sees through detected object passes in detector, according to its Strength Changes, the integration (be projection) of material in reaction detection object in raypath to gamma ray absorption coefficient, can obtain the absorption coefficient distributed image in radiation exposure section on detected object by the data for projection under various visual angles by the mode of contrary projection.This computerized tomography system, be detected object rotation, because the accuracy requirement of the relative positional accuracy to radiographic source, detector and rotation center and mechanical motion is all very high, therefore main frame generally no longer moves after installation, exist the difficult adjustment of precision, irremovable, can not implement the shortcomings such as outfield, strange land detection.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of vehicle-mounted removable computerized tomography (CT) detection system, this detection system can adapt to outfield and detect, facilitates precision adjustment, and has the features such as anti-vibration ability is strong.
For achieving the above object, the invention provides following technical scheme:
A kind of vehicle-mounted removable computerized tomography (CT) detection system, comprises inspection vehicle, operation car, supply vehicle, CT circular scanning device, work support, protective equipment etc.
The body bracket of described inspection vehicle adopts universal chassis, and chassis is provided with damping, and the front portion of universal chassis is the first shelter, and the first shelter is electric panel room, and inside is provided with panel box, radiographic source high voltage component, radiographic source cooling-part and controls electric component; The second shelter is installed at the rear portion of universal chassis, and CT circular scanning device, work support are installed in the second shelter; The bulkhead of the second shelter is the protective equipment of the making such as stereotype, has workpiece to transport fenestra and fenestra door on bulkhead; Described CT circular scanning device is an accurate annulus, and radiographic source and detector are installed on ring, and this annulus is done precision rotation motion in frame, and collapsible or adjustable work support is installed in frame both sides; Described CT circular scanning device has adopted effective protective treatment with restriction x radiation x territory.
The body bracket of described operation car also adopts universal chassis, and chassis is provided with damping, and shelter is installed on universal chassis, in shelter, is operation room, configuration image reconstruction process device, operating console; By the control panel on operation car and control workstation, CT control signal is sent to the CT circular scanning device on inspection vehicle, radiographic source on inspection vehicle sends ray, after penetration-detection object, enter detector, the ray signal of reception is finally converted to digital signal, be transferred in the control workstation on operation car, and carry out image reconstruction and processing by network delivery to image workstation, and show testing result.
Supply vehicle comprises two shelters, in the first shelter, generator is installed, and can ensure continuous working, thereby ensures inspection vehicle and operate car under the condition of commercial power interruption or there is no place normal work separately of commercial power supply; Control device and the supervising device of configuration generator in the second shelter of supply vehicle.
CT circular scanning device is arranged in independent vibration-damped table, in the time of CT scan, first detected object is fixed on work support, need not adjust precision, the annulus precision rotation certain angle that makes to be provided with radiographic source and detector, can complete scanning, then adopts image reconstruction algorithm to reconstruct CT image; Described independent vibration-damped table is with register pin, and in vehicle mobile process, extracting register pin can be shockproof with protection CT circular scanning device, inserts register pin and can make it stable by fixation of C T circular scanning device.
Further, described CT circular scanning device is supported by annular bearing or ring-shaped guide rail, adopts ring gear tooth bar or Timing Belt to be driven by motor, and work support can realize detected object translation, to realize the CT scan of different parts.
Further, described radiographic source adopts electron linear accelerator, X-ray production apparatus, integrated X-ray production apparatus or radioactive isotope, and radiogenic quantity is one or more.
Further, the form that described detector adopts is linear array or face array.
Further, described detector adopts solid probe, detector liquid, gas detector or semiconductor detector.
Further, described detector works in integral way or counting mode.
Further, the data transmission of described detector can adopt wireless mode, also can adopt wired mode.
Further, the synchronous rotary stroke of described radiographic source and detector is 360 ° or 180 °+α.
Further, the cable of described radiographic source and detector is supported by telescopic mechanism, and to rotate with annulus, unlikely cable is wound around.
Beneficial effect of the present invention is:
1) vehicle-mounted removable computerized tomography of the present invention (CT) detection system is owing to having adopted radiographic source and detector rotation, the non-rotary CT scan mode of detected object, solve the conventional CT scans mode problem high to physical construction accuracy requirement, made mechanical precision adjustment become very simple.
2) the fixing radiographic source of telescopic mechanism and detector cable have been adopted; and adopt the rotating distance of 360 ° or (180 °+α); the cable having solved in radiographic source and detector rotary course is wound around problem, has protected cable and high pressure connection, has improved long term reliability.
3) adopt work support, as long as detected object can be installed on work support through CT circular scanning device, greatly reduce installation difficulty.
4) radiographic source launch window has been taked to further shielding protection measure, and use protective box hold structure, and make in the time of the operation of outfield, do not need other protection to implement, the protection security area that only needs to delimit 10m × 10m, radiation protection meets national standard requirement.
5) adopt special multiple damping, this detection system can be used under the road conditions mal-condition of outfield.
Brief description of the drawings
In order to make object of the present invention, technical scheme and beneficial effect clearer, the invention provides following accompanying drawing and describe:
Fig. 1 is the structural representation of inspection vehicle;
Fig. 2 is the structural representation of operation car;
Fig. 3 is the structural representation of supply vehicle;
Fig. 4 is inspection vehicle duty vertical view.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Fig. 1 is the structural representation of inspection vehicle, and Fig. 2 is the structural representation of operation car, the structural representation that Fig. 3 is supply vehicle.
As shown in the figure, vehicle-mounted removable computerized tomography detection system of the present invention, comprises inspection vehicle 1, operation car 2, supply vehicle 3, CT circular scanning device 4, work support 5, protective equipment 6 etc.
As shown in Figure 1, the body bracket of inspection vehicle 1 adopts universal chassis, and chassis is provided with damping 7, and the front portion of universal chassis is the first shelter 8, the first shelter 8 is electric panel room, and inside is provided with panel box, radiographic source high voltage component, radiographic source cooling-part and controls electric component; The interior installation of the second shelter 9, the second shelter 9 CT circular scanning device 4, work support 5 are installed in the rear portion of universal chassis; The bulkhead of the second shelter 9 is the protective equipment 6 of the making such as stereotype, has workpiece to transport fenestra and fenestra door on bulkhead; Described CT circular scanning device 4 is an accurate annulus 10, and radiographic source 11 and detector 12 are installed on ring, and this annulus 10 moves at the interior precision rotation of doing of frame 13, in frame 13 both sides, collapsible or adjustable work support 5 is installed; Described CT circular scanning device 4 has adopted effective protective treatment with restriction x radiation x territory.
As shown in Figure 2, the body bracket of operation car 2 also adopts universal chassis, and chassis is provided with damping 16, and shelter 17 is installed on universal chassis, in shelter 17, is operation room, configuration image reconstruction process device, operating console; By the control panel on operation car 2 and control workstation, CT control signal is sent to the CT circular scanning device 4 on inspection vehicle 1, radiographic source 11 on inspection vehicle 1 sends ray, after penetration-detection object, enter detector 12, the ray signal of reception is finally converted to digital signal by detector 9, be transferred in the control workstation on operation car 2, and carry out image reconstruction and processing by network delivery to image workstation, and show testing result.
As shown in Figure 3, supply vehicle 3 comprises two shelters, in the first shelter 18, generator is installed, can ensures continuous working, thereby ensure inspection vehicle 1 and operate car 2 under the condition of commercial power interruption or there is no place normal work separately of commercial power supply; Control device and the supervising device of the second shelter 19 interior configuration generators of supply vehicle 3.
In the present embodiment, CT circular scanning device 4 is supported by annular bearing or ring-shaped guide rail, adopts ring gear tooth bar or Timing Belt to be driven by motor, and work support 5 can realize detected object translation, to realize the CT scan of different parts.Radiographic source 11 adopts electron linear accelerator, X-ray production apparatus, integrated X-ray production apparatus or radioactive isotope, and the quantity of radiographic source 11 is one or more.
Detector 12 adopts solid probe, detector liquid, gas detector or semiconductor detector, and the form of employing is linear array or face array; Detector 12 works in integral way or counting mode; Its data transmission can adopt wireless mode, also can adopt wired mode.
The synchronous rotary stroke of radiographic source 11 and detector 12 is 360 ° or 180 °+α, and the cable of radiographic source 11 and detector 12 supports by telescopic mechanism 20, to rotate with annulus 10 and unlikely cable be wound around.
CT circular scanning device 4 is arranged in independent vibration-damped table 14, in the time that system is carried out work and is CT scan, first detected object is fixed on work support 5, need not adjust precision, make to be provided with the annulus 10 precision rotation certain angles of radiographic source 11 and detector 12, can complete scanning, then adopt image reconstruction algorithm to reconstruct CT image; Described independent vibration-damped table 14 is with register pin 15, and in vehicle mobile process, extracting register pin 15 can be shockproof with protection CT circular scanning device 4, inserts register pin 15 and can make it stable by fixation of C T circular scanning device 4.Fig. 4 is inspection vehicle duty vertical view.
Finally explanation is, above preferred embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can make various changes to it in the form and details, and not depart from the claims in the present invention book limited range.
Claims (8)
1. a vehicle-mounted removable computerized tomography detection system, is characterized in that: comprise inspection vehicle (1), operation car (2), supply vehicle (3), CT circular scanning device (4), work support (5), protective equipment (6);
The body bracket of described inspection vehicle (1) adopts universal chassis, chassis is provided with damping (7), the front portion of universal chassis is the first shelter (8), the first shelter (8) is electric panel room, and inside is provided with panel box, radiographic source high voltage component, radiographic source cooling-part and controls electric component; The second shelter (9) is installed at the rear portion of universal chassis, and CT circular scanning device (4), work support (5) are installed in the second shelter (9); The protective equipment (6) of the making such as the bulkhead of the second shelter (9) is stereotype, has workpiece to transport fenestra and fenestra door on bulkhead; Described CT circular scanning device (4) is an accurate annulus (10), radiographic source (11) and detector (12) are installed on ring, this annulus (10) is done precision rotation motion in frame (13), in frame (13) both sides, collapsible or adjustable work support (5) is installed;
The body bracket of described operation car (2) also adopts universal chassis, chassis is provided with damping (16), shelter (17) is installed on universal chassis, is operation room in shelter (17), configuration image reconstruction process device, operating console; By the control panel on operation car (2) and control workstation, CT control signal is sent to the CT circular scanning device (4) on inspection vehicle (1), radiographic source (11) on inspection vehicle (1) sends ray, after penetration-detection object, enter detector (12), the ray signal of reception is finally converted to digital signal by detector (9), be transferred in the control workstation on operation car (2), and carry out image reconstruction and processing by network delivery to image workstation, and show testing result;
Supply vehicle (3) comprises two shelters, in the first shelter (18), generator is installed, can ensure continuous working, thereby ensure inspection vehicle (1) and operate car (2) under the condition of commercial power interruption or there is no place normal work separately of commercial power supply; Control device and the supervising device of the interior configuration generator of the second shelter (19) of supply vehicle (3); CT circular scanning device (4) is arranged in independent vibration-damped table (14), in the time of CT scan, first detected object is fixed on work support (5), need not adjust precision, make to be provided with annulus (10) the precision rotation certain angle of radiographic source (11) and detector (12), can complete scanning, then adopt image reconstruction algorithm to reconstruct CT image; Described independent vibration-damped table (14) is with register pin (15); in vehicle mobile process; extracting register pin (15) can be shockproof with protection CT circular scanning device (4), inserts register pin (15) and can make it stable by fixation of C T circular scanning device (4).
2. a kind of vehicle-mounted removable computerized tomography detection system according to claim 1, it is characterized in that: described CT circular scanning device (4) is supported by annular bearing or ring-shaped guide rail, adopt ring gear tooth bar or Timing Belt to be driven by motor, and work support (5) can be realized detected object translation, to realize the CT scan of different parts.
3. a kind of vehicle-mounted removable computerized tomography detection system according to claim 1, it is characterized in that: described radiographic source (11) adopts electron linear accelerator, X-ray production apparatus, integrated X-ray production apparatus or radioactive isotope, and the quantity of radiographic source (11) is one or more.
4. a kind of vehicle-mounted removable computerized tomography detection system according to claim 1, is characterized in that: the form that described detector (12) adopts is linear array or face array.
5. a kind of vehicle-mounted removable computerized tomography detection system according to claim 1, is characterized in that: described detector (12) adopts solid probe, detector liquid, gas detector or semiconductor detector.
6. a kind of vehicle-mounted removable computerized tomography detection system according to claim 1, is characterized in that: described detector (12) works in integral way or counting mode; The data transmission of described detector (12) can adopt wireless mode, also can adopt wired mode.
7. a kind of vehicle-mounted removable computerized tomography detection system according to claim 1, is characterized in that: the synchronous rotary stroke of described radiographic source (11) and detector (12) is 360 ° or 180 °+α.
8. a kind of vehicle-mounted removable computerized tomography detection system according to claim 1, it is characterized in that: the cable of described radiographic source (11) and detector (12) is supported by telescopic mechanism (20), to rotate with annulus (10), unlikely cable is wound around.
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| CN201410363159.XA CN104101615B (en) | 2014-07-28 | 2014-07-28 | Vehicle-mounted movable detecting system for computed tomography |
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| CN201410363159.XA CN104101615B (en) | 2014-07-28 | 2014-07-28 | Vehicle-mounted movable detecting system for computed tomography |
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| CN105167772A (en) * | 2015-08-06 | 2015-12-23 | 扬州润扬物流装备有限公司 | Modularized magnetic resonance examination unit and container modularized hospital with same |
| WO2016095774A1 (en) * | 2014-12-17 | 2016-06-23 | 同方威视技术股份有限公司 | Towing-type object inspection system with multiple viewing angles and usage method thereof |
| CN107028617A (en) * | 2017-03-30 | 2017-08-11 | 深圳市艾克瑞电气有限公司 | Vehicle-mounted CT and ambulance and Physical examination car |
| CN108008458A (en) * | 2017-12-29 | 2018-05-08 | 同方威视技术股份有限公司 | Vehicle-mounted back scattering checks system |
| CN108670283A (en) * | 2018-05-25 | 2018-10-19 | 邦盛高科特种车辆（天津）有限公司 | Flow-type CT examination deVice |
| CN109799249A (en) * | 2019-02-27 | 2019-05-24 | 中国工程物理研究院机械制造工艺研究所 | A kind of vehicle-mounted CT nondestructive detection system |
| WO2019214325A1 (en) * | 2018-05-09 | 2019-11-14 | 清华大学 | Ct inspection system |
| WO2020140979A1 (en) * | 2019-01-04 | 2020-07-09 | 同方威视技术股份有限公司 | Mobile inspection system and inspection method |
| WO2021006166A1 (en) * | 2019-07-09 | 2021-01-14 | 雫石 誠 | Computer tomography device and examination vehicle |
| WO2021006294A1 (en) * | 2019-07-09 | 2021-01-14 | 雫石 誠 | Medical vehicle, ct device, and driving method |
| JP2021045526A (en) * | 2019-07-09 | 2021-03-25 | 雫石 誠 | Medical vehicle |
| CN112730473A (en) * | 2021-03-30 | 2021-04-30 | 同方威视技术股份有限公司 | Radiographic inspection device and vehicle-mounted security inspection system |
| CN113384288A (en) * | 2021-07-13 | 2021-09-14 | 江苏康众数字医疗科技股份有限公司 | Light cone beam CT scanning system and CT scanning method |
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| US10996369B2 (en) | 2017-12-29 | 2021-05-04 | Nuctech Company Limited | Vehicle-mounted type back scattering inspection system |
| CN108008458A (en) * | 2017-12-29 | 2018-05-08 | 同方威视技术股份有限公司 | Vehicle-mounted back scattering checks system |
| WO2019128693A1 (en) * | 2017-12-29 | 2019-07-04 | 同方威视技术股份有限公司 | Onboard backscatter inspection system |
| WO2019214325A1 (en) * | 2018-05-09 | 2019-11-14 | 清华大学 | Ct inspection system |
| CN108670283A (en) * | 2018-05-25 | 2018-10-19 | 邦盛高科特种车辆（天津）有限公司 | Flow-type CT examination deVice |
| WO2020140979A1 (en) * | 2019-01-04 | 2020-07-09 | 同方威视技术股份有限公司 | Mobile inspection system and inspection method |
| CN109799249A (en) * | 2019-02-27 | 2019-05-24 | 中国工程物理研究院机械制造工艺研究所 | A kind of vehicle-mounted CT nondestructive detection system |
| CN109799249B (en) * | 2019-02-27 | 2024-02-23 | 中国工程物理研究院机械制造工艺研究所 | Vehicle-mounted CT nondestructive testing system |
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| CN113970793A (en) * | 2020-07-22 | 2022-01-25 | 清华大学 | Vehicle-mounted CT security inspection system |
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| CN113384288A (en) * | 2021-07-13 | 2021-09-14 | 江苏康众数字医疗科技股份有限公司 | Light cone beam CT scanning system and CT scanning method |
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